SECTION 205-02: Rear Drive Axle/Differential
2014 Flex Workshop Manual
IN-VEHICLE REPAIR
Procedure revision date: 05/02/2013

Drive Pinion Seal


Special Tool(s)
2 Jaw Puller
205-D072 (D97L-4221-A) or equivalent
Holding Fixture, Drive Pinion Flange
205-126 (T78P-4851-A)
Pinion Seal Replacer
205-133 (T79P-4676-A)
Remover, Torque Converter Fluid Seal
307-309 (T94P-77001-BH)
Slide Hammer
100-001 (T50T-100-A)

Material
Item Specification
Premium Long-Life Grease
XG-1-C or XG-1-K (US); CXG-1-C (Canada) 		ESA-M1C75-B


Item Part Number Description
1 4320 Pinion nut
2 4858 Pinion flange
3 4N299 Pinion seal

Removal

NOTICE: The drive pinion seal is only serviceable on vehicles equipped with a stamped steel rear differential housing cover. Vehicles equipped with a aluminum rear differential housing cover replace the complete Rear Drive Unit (RDU) assembly.

  1. Remove the driveshaft. For additional information, refer to Section 205-01 .
  1. Using the Drive Pinion Flange Holding Fixture, hold the pinion flange and remove the nut.
  1. Index-mark the location of the pinion to the yoke.
  1. Using the 2 Jaw Puller, remove the pinion flange.
  1. Using the Torque Converter Fluid Seal Remover and Slide Hammer, remove the seal.

Installation

  1. NOTE: Make sure that the mating surface is clean before installing the new seal.

    Using the Pinion Seal Replacer, install the seal.

  1. NOTE: Lubricate the pinion flange with grease.

    Line up the index marks and position the pinion flange.
  1. Using the Drive Pinion Flange Holding Fixture, install the new pinion nut.
  1. Install the driveshaft. For additional information, refer to Section 205-01 .